The ONET8501V is a high-speed, 3.3V laser driver designed to directly modulate VCSELs at data rates from 2 Gbps up to 11.3 Gbps.

The device provides a two-wire serial interface which allows digital control of the modulation and bias currents, eliminating the need for external components. Output waveform control, in the form of cross point control and independent over- and undershoot capability on the rising and falling edges is also available to improve VCSEL edge speeds and the optical eye diagram. An optional input equalizer can be used for equalization of up to 300mm (12 inch) of microstrip or stripline transmission line on FR4 printed circuit boards.

The ONET8501V includes an integrated automatic power control (APC) loop as well as circuitry to support laser safety and transceiver management systems. The VCSEL driver is characterized for operation from -40°C to 85°C ambient temperatures and is available in a small footprint 4mm × 4mm 20 pin RoHS compliant QFN package.

• Up to 11.3 Gbps Operation
• 2-Wire Digital Interface
• Digitally Selectable Modulation Current up to 24 mApp Differential
• Digitally Selectable Bias Current up to 20 mA
• Automatic Power Control (APC) Loop
• Supports Transceiver Management System (TMS)
• Programmable Input Equalizer
• Output Waveform Control
• Includes Laser Safety Features
• Analog Temperature Sensor Output
• Selectable Monitor Photodiode Current Range
• Output Polarity Select
• Single 3.3V Supply
• Operating Temperature -40°C to 85°C
• Surface Mount Small Footprint 4mm × 4mm 20 Pin RoHS compliant QFN Package
• APPLICATIONS
  • 10 Gigabit Ethernet Optical Transmitters
  • 8x and 10x Fibre Channel Optical Transmitters
  • SONET OC-192/SDH STM-64 Optical Transmitters
  • SFP+ and XFP Transceiver Modules
  • XENPAK, XPAK, X2 and 300-pin MSA Transponder Modules

• Type
• Laser driver
• Data rate (Max) (Gbps)
• 11.3
• Features
• Bias current digital select, 2-wire interface, Automatic power control loop, Modulation current digital select
• ICC (Typ) (mA)
• 50
• Imod (mA)
• 24
• ICC (Max) (mA)
• 90
• DJ (Typ) (ps)
• 4
• Operating temperature range (C)
• -40 to 85

ONET8501V的完整型号有：ONET8501VRGPR、ONET8501VRGPT，以下是这些产品的关键参数及官网采购报价：

ONET8501VRGPR，工作温度：-40 to 85，封装：QFN (RGP)-20，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网ONET8501VRGPR的批量USD价格：1.904（1000+）

ONET8501VRGPT，工作温度：-40 to 85，封装：QFN (RGP)-20，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网ONET8501VRGPT的批量USD价格：2.285（1000+）

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